觀察以下數字序列:2, 4, 8, 16, ? 請問問號處應該填入什麼數字?
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每個數字都是前一個數字的 2 倍(16 × 2 = 32)。
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Try the interactive quiz above, or study the options and notes below.
每個數字都是前一個數字的 2 倍(16 × 2 = 32)。